Fastening device



FIG. 1 is a front perspective view of a fastening device showing our newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and

FIG. 7 is a rear view thereof.

CLAIM The ornamental design for a fastening device, as shown anddescribed.